“…11 In the same process, ECJ decided that the nullity of the contract, where the jurisdiction agreement was inserted, should be assessed by the court stipulated for in that agreement. 12 Well, it is this independence of the jurisdiction agreement, regarding the other provisions of the contract, and the prohibition of challenging the validity of that clause based, only, in the contract invalidity, that Article 25, Section 5 establishes. Brussels I bis Regulation, also solved an issue, whose solution was not clear in the previous text, where certain questions aroused.…”